1941 (May 5) Hawaii - Singapore. 1st flight. Fkd + censored arrival WWII envelope + special cachet.
1941 (10 May) Singapore - Hawaii (16 May) First flight. Air multifkd + depart censored envelope. Special cachet including $1 stamp. VF.
1948 (1 May) First flight Frankfurt - N. York. Fkd envelope, special cachet.
1949 (11 June) First regular air link Lisboa - Funchal. Porto - Funchal (13 June) Registered multifkd env.
1959 (5 June) Indonesia - Philippines. Fist flight. Djakarta - Manila. VF. Air fkd env + USA.
1959 (5 June) Indonesia - Philippines. First flight. Djakarta - Manila. Air fkd env to USA. Including 1 rupiah stamp. Nice.
1986 (21 March) Fist flight. Yemen - Germany, Frankfurt. Fkd env + slogan cachet. VF + retourn usage. 2 covers.
1930 (1 May) Netherlands - Estonia (2 May) 1st flight. Fkd transited envelope. Special cachet. Via Berlin stop over (1 May) "Dijair express" Very unusual link.
1934 (26 Sept) BRAZIL - GERMANY. Graff Zeppelin. Via Recife. Multifkd envelope. Manoos - Chemnitz + cachets. Fine.
1937 (26 June) Singapore - Penang, Malaysia. First day air service (28 June) Fine used coronation service.
1937 (12 March) BRAZIL - AIR FRANCE - GERMANY. Ceaná - Hamburg. Multifkd env; oval depart cachet. Fine.
1927 (19 May) INDIA - IRAQ, Egypt - London. Air flown Bombay - Karachi - Basra, red cachet, then Cairo onwords. VF fkd envelope.
1928 (16 June) Ecuador - Colombia (26-30 Aug) German Luftpost. Hidroavion. Fkd envelope with diff issues + 2 German Labels + transits. Registered mail. First international flight.
1931 (Nov 23) Lindberg Flight. JAMAICA - Colombia. Special flight. According to old collector note: Only 17 covers were flown on this flight. A rarity.
1927 (1 Oct) Mexico - USA first flight. Queretaro - USA, Raymondville, Texas. Air fkd + reverse cachet flight.
1928 (15 Apr) Mexico first flight, Mexico - Tuxpan - Tampico. Special cachet.
1928 (15 April) Mexico first flight Mexico - Tuxpan - Tampico. Multifkd cacheted envelope.
1928 (13 Oct) Mexico. Veracruz - Merida 1st flight. Special cachets.
1929 (9 Feb) CANAL ZONE - USA first flight. Fkd envelope.
1929 (11 May) Mexico - Tapachula. Special flight cacheted to Texas.
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